Question

how many pieces of stone slabs,each 24 cm long and 15cm broad will be required to lay a path 18 m long and 12 m wide

Answer 1

$\textsf{Answer :}$

6000 slabs will be required.

$\textsf{Step-by-step explanation :}$

Given,

Length of slab = $24\:cm$ = $0.24\:m$

Breadth of slab = $15\:cm$ = $01.5\:m$

Length of path = $18\:m$

Breadth of path = $12\:m$

Now, in order to find the piece of stone slabs required to lay the path, we need to find the area of one slab and area of the path. And then divide the area of path by area of one slab.

So, area of slab -

$\implies length\times breadth$

$\implies 0.24\times 0.15$

$\implies 0.036\:m^{2}$

Now, area of path -

$\implies length\times breadth$

$\implies 18\times 12$

$\implies 216\:m^{2}$

Number of slabs required -

$\implies \frac{Area\:of\:path}{Area\:of\:slab}$

$\implies \frac{216}{0.036}$

$\implies 6000$

So, the number of slabs are 6000.

Answer 2

Answer -

》Area of slab = 0.24 × 0.15

==> 0.036 m^2

》Area of path = 18 x 12

==> 216 m^2

》Number of slabs = area of path / area of slab

==> 216 / 0.036

==> 6000